Home / 106,856.32-160,240.76-47,651.52

Finding the Fourth Proportional to 106,856.32, 160,240.76 and 47,651.52

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Solution

The fourth proportional to 106,856.32, 160,240.76 and 47,651.52 is: 71,457.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,856.32 : 160,240.76 = 47,651.52 : x
  2. Step 2: Convert to fraction form
    106,856.32/160,240.76 = 47,651.52/x
  3. Step 3: Cross multiply
    106,856.32x = 160,240.76 × 47,651.52
  4. Step 4: Simplify right side
    106,856.32x = 7,635,715,779.96
  5. Step 5: Solve for x
    x = 7,635,715,779.96/106,856.32
  6. Step 6: Final answer
    x = 71,457.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.